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2026-04-12 - 17:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Sun Apr 12, 2026 12:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31495213269,7sleep10-21swapper/107:06:241
31630211777,8sleep30-21swapper/307:08:103
31067211799,13sleep00-21swapper/007:05:240
316462111102,6sleep20-21swapper/207:08:212
279812620,0sleep10-21swapper/108:00:171
83862610,1sleep3391ktimersoftd/309:35:233
286612560,1sleep328664-21kthreadcore09:55:183
120582560,0sleep30-21swapper/310:10:153
85632540,0sleep20-21swapper/210:05:172
259702530,0sleep325977-21kthreadcore12:15:193
151572530,0sleep30-21swapper/308:15:173
3195199270,26cyclictest0-21swapper/211:48:162
3195199270,26cyclictest0-21swapper/211:08:222
3195199270,26cyclictest0-21swapper/208:54:242
3195199270,26cyclictest0-21swapper/207:48:442
31949992723,3cyclictest0-21swapper/108:46:231
3194999270,26cyclictest0-21swapper/111:34:041
3195199260,25cyclictest0-21swapper/211:16:042
3194999260,25cyclictest0-21swapper/111:50:521
3194999260,25cyclictest0-21swapper/111:43:131
3194999260,25cyclictest0-21swapper/111:03:461
3194999260,25cyclictest0-21swapper/109:54:481
3194999260,25cyclictest0-21swapper/109:10:451
3194999260,25cyclictest0-21swapper/108:57:001
3194999260,25cyclictest0-21swapper/108:42:501
258912260,0sleep00-21swapper/011:50:000
31951992518,7cyclictest0-21swapper/212:05:042
3195199250,24cyclictest0-21swapper/212:34:372
3194999250,24cyclictest0-21swapper/112:21:401
3194999250,24cyclictest0-21swapper/112:07:311
3194999250,24cyclictest0-21swapper/111:37:311
3194999250,24cyclictest0-21swapper/111:20:011
3194999250,24cyclictest0-21swapper/109:43:241
3194999250,24cyclictest0-21swapper/109:31:471
3194999250,24cyclictest0-21swapper/109:04:391
3194999250,24cyclictest0-21swapper/108:07:451
3194999250,24cyclictest0-21swapper/107:44:411
3194999250,24cyclictest0-21swapper/107:18:321
3195199241,22cyclictest0-21swapper/211:51:522
3195199241,22cyclictest0-21swapper/210:54:342
31949992422,2cyclictest0-21swapper/112:12:321
31949992422,2cyclictest0-21swapper/108:39:481
3194999240,23cyclictest0-21swapper/110:42:071
3194999240,23cyclictest0-21swapper/110:04:241
3194999240,23cyclictest0-21swapper/110:04:241
3194999240,23cyclictest0-21swapper/109:55:381
3194999240,23cyclictest0-21swapper/109:08:141
3194999240,23cyclictest0-21swapper/108:14:331
3194499240,23cyclictest0-21swapper/011:25:130
3194499240,21cyclictest0-21swapper/011:20:200
3195199231,3cyclictest0-21swapper/210:46:582
31949992315,7cyclictest0-21swapper/107:37:221
3194999231,21cyclictest0-21swapper/110:45:251
3194999230,22cyclictest0-21swapper/112:27:531
3194999230,22cyclictest0-21swapper/110:22:371
3194999230,22cyclictest0-21swapper/109:37:211
31951992218,2cyclictest5084-21sadc07:15:012
3195199221,3cyclictest0-21swapper/208:43:442
3194999220,21cyclictest0-21swapper/112:18:341
3194999220,21cyclictest0-21swapper/110:16:251
3194999220,21cyclictest0-21swapper/108:23:421
3194999220,21cyclictest0-21swapper/107:45:481
31951992119,2cyclictest0-21swapper/211:20:192
31951992119,1cyclictest749-21snmpd11:33:102
31951992118,2cyclictest749-21snmpd08:47:092
31951992117,3cyclictest0-21swapper/208:32:092
3195199211,19cyclictest0-21swapper/212:00:052
3195199211,19cyclictest0-21swapper/209:33:092
3195199210,2cyclictest0-21swapper/209:59:392
3195199210,20cyclictest0-21swapper/211:13:262
31949992118,3cyclictest0-21swapper/108:33:571
3194999210,3cyclictest0-21swapper/111:56:401
3194999210,2cyclictest0-21swapper/107:25:111
3194999210,20cyclictest0-21swapper/112:39:401
3194999210,20cyclictest0-21swapper/112:31:581
3194999210,20cyclictest0-21swapper/111:15:341
3194999210,20cyclictest0-21swapper/110:25:401
3194999210,20cyclictest0-21swapper/110:06:371
3194999210,20cyclictest0-21swapper/109:46:091
3194999210,20cyclictest0-21swapper/109:20:451
3194999210,20cyclictest0-21swapper/108:27:171
3194999210,20cyclictest0-21swapper/107:55:571
3194999210,20cyclictest0-21swapper/107:51:351
3194999210,20cyclictest0-21swapper/107:34:341
3194499210,20cyclictest0-21swapper/009:50:000
77382208,3sleep30-21swapper/311:04:023
3195199207,9cyclictest0-21swapper/209:50:202
31951992018,2cyclictest0-21swapper/208:09:512
31951992018,1cyclictest749-21snmpd11:40:132
31951992018,1cyclictest749-21snmpd11:28:282
31951992018,1cyclictest749-21snmpd10:34:282
31951992017,3cyclictest0-21swapper/209:21:332
31951992017,2cyclictest749-21snmpd11:39:172
31951992017,2cyclictest749-21snmpd09:38:032
31951992017,2cyclictest749-21snmpd08:35:302
31951992017,2cyclictest749-21snmpd07:33:292
3195199200,3cyclictest0-21swapper/208:19:442
3195199200,2cyclictest0-21swapper/212:11:222
3195199200,2cyclictest0-21swapper/210:29:102
3195199200,2cyclictest0-21swapper/207:37:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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